/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package app.metatron.discovery.common.oauth;

import app.metatron.discovery.common.exception.ErrorResponse;
import app.metatron.discovery.common.exception.GlobalErrorCodes;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;

import java.io.IOException;

public class CustomOAuth2ExceptionSerializer extends StdSerializer<CustomOAuth2Exception> {

  public CustomOAuth2ExceptionSerializer() {
    this(null);
  }

  public CustomOAuth2ExceptionSerializer(Class<CustomOAuth2Exception> t) {
    super(t);
  }

  @Override
  public void serialize(CustomOAuth2Exception value, JsonGenerator gen, SerializerProvider provider) throws IOException {

    ErrorResponse errorResponse = value.getErrorResponse();
    if(errorResponse != null) {
      gen.writeStartObject();
      gen.writeStringField("code", errorResponse.getCode());
      gen.writeStringField("message", errorResponse.getMessage());
      gen.writeStringField("details", (String) errorResponse.getDetails());
      gen.writeEndObject();
    } else {
      gen.writeStartObject();
      gen.writeStringField("code", GlobalErrorCodes.AUTH_ERROR_CODE.getCode());
      gen.writeStringField("message", value.getOAuth2ErrorCode());
      gen.writeStringField("details", value.getLocalizedMessage());
      gen.writeEndObject();
    }
  }
}
